What are the causes of the problems
Most people do not think of coffee as a drug. In fact, it is a drug, and it has important effects on your body. Some of the effects are good and some are not. Coffee can help you stay awake while you are driving or working. However, it can also keep you awake at night when you want to sleep. Coffee makes some people feel more alive so they can work better. Other people feel too nervous when they drink coffee. After the large meal, coffee can help your stomach. But too much coffee can cause a stomachache.